53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/* pci.c - Generic PCI interfaces. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2007,2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/pci.h>
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#include <grub/dl.h>
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struct pci_access *acc = 0;
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grub_pci_address_t
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grub_pci_make_address (grub_pci_device_t dev, int reg)
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{
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grub_pci_address_t ret;
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ret.dev = dev;
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ret.pos = reg << 2;
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return ret;
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}
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void
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grub_pci_iterate (grub_pci_iteratefunc_t hook)
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{
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grub_pci_device_t cur;
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for (cur = acc->devices; cur; cur = cur->next)
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hook (cur, cur->vendor_id|(cur->device_id << 16));
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}
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GRUB_MOD_INIT (pci)
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{
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acc = pci_alloc ();
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pci_init (acc);
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pci_scan_bus (acc);
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}
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GRUB_MOD_FINI (pci)
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{
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pci_cleanup (acc);
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}
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